The effect of beam-column degradation and shear ratio on seismic performance of self-centering BRB dual systems

XIE Qin, ZHOU Zhen, KONG XiangYu, MENG Shaoping

Journal of Vibration and Shock ›› 2018, Vol. 37 ›› Issue (8) : 9-16.

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PDF(2833 KB)
Journal of Vibration and Shock ›› 2018, Vol. 37 ›› Issue (8) : 9-16.

The effect of beam-column degradation and shear ratio on seismic performance of self-centering BRB dual systems

  • XIE Qin, ZHOU Zhen, KONG XiangYu, MENG Shaoping
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Abstract

Self-centering bucklingrestrained brace (SC-BRB) dual systems are composed of moment resisting frames and SC-BRB frames. The analysis models of SC-BRB dual systems with different shear ratio (the ratio of shear bear by moment resisting frame to the design base shear) were built by adopting two kinds of modeling methods, considering beamcolumn degradation and without considering beamcolumn degradation, respectively. The nonlinear static analysis and dynamic time history analysis were conducted to investigate the influence of beamcolumn degradation and shear ratio on seismic performance of SC-BRB dual systems. The result demonstrates that considering beamcolumn degradation will decrease the structural base shear, and weaken the influence of the lateral stiffness mutation between adjacent floors, which may change the peak story drift ratio distribution along the structure height, but increase the residual deformation of structures; the increasing of shear ratio will increase the influence of beam-column degradation, and weaken the flag shape hysteretic characteristic of the whole structures, but can effectively decrease the peak story drift ratio and deformation concentration effect of structures under earthquake.

 

Key words

self-centering / beam-column degradation / shear ratio / dual system / seismic performance

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XIE Qin, ZHOU Zhen, KONG XiangYu, MENG Shaoping. The effect of beam-column degradation and shear ratio on seismic performance of self-centering BRB dual systems[J]. Journal of Vibration and Shock, 2018, 37(8): 9-16

References

[1] McCormick J, Aburano H, Ikenaga M, et al. Permissible residual deformation levels for building structures considering both safety and human elements [C]. Proceedings of the 14th World Conference on Earthquake Engineering. Beijing, China, 2008: 12-17
[2] Erochko J, Christopoulos C, Tremblay R, et al. Residual drift response of SMRFs and BRB frames in steel buildings designed according to ASCE 7-05 [J]. Journal of Structural Engineering, 2011, 137(5): 589~599
[3] 蒋欢军, 刘其舟. 可恢复功能剪力墙结构研究进展[J]. 振动与冲击, 2015, 34(7): 51-58.
JIANG Huan-jun, LIU Qi-zhou. State-of-the-art on the research advances on resilient shear walls [J]. Journal of Vibration and Shock, 2015, 34(7): 51-58.
[4] 池沛, 董军, 彭洋, 等. 一种新型自复位耗能拉索支撑的理论研究与数值分析[J]. 振动与冲击, 2016, 35(21): 171-176.
CHI Pei, DONG Jun, PENG Yang, et al. Theoretical analysis and numerical simulation for an innovative self-centering energy-dissipative tension-brace system [J]. Journal of Vibration and Shock, 2016, 35(21): 171-176.
[5] Christopoulos C, Tremblay R, Kim H-J, et al. Self-centering energy dissipative bracing system for the seismic resistance of structure: development and validation [J]. Journal of Structural Engineering, 2008, 134(1): 96-97.
[6] Tremblay R, Lacerte M, Christopoulos C. Seismic response of multistorey buildings with self-centering energy dissipative steel braces [J]. Journal of Structural Engineering, 2008, 134(1): 108–120.
[7] 刘璐, 吴斌, 李伟等. 一种新型自复位防屈曲支撑的拟静力试验[J]. 东南大学学报, 2012, 42(3): 536-544.
LIU Lu, WU Bin, LI Wei, et al. Cyclic tests of novel self-centering buckling-restrained brace [J]. Journal of Southeast University (Natural Science Edition), 2012, 42(3): 536-541.
[8] Zhou Z, Xie Q, Lei X C, He X T, et al. Experimental investigation of the hysteretic performance of dual-tube self-centering buckling-restrained braces with composite tendons [J]. Journal of Composites for Construction, 2015, 19(6): 04015011.
[9] Qiu C X, Zhu S Y. High-mode effects on seismic performance of multi-story self-centering braced steel frames [J]. Journal of Constructional Steel Research, 2016, 119(1): 133-143.
[10] Ibarra L F, Krawinkler H. Global collapse of frame structures under seismic excitations [R]. Rep. No. TB 152, The John A. Blume Earthquake Engineering Center: Stanford Univ., 2005.
[11] Lignos D G, Krawinkler H. Deterioration modeling of steel components in support of collapse prediction of steel moment frames under earthquake loading [J]. Journal of Structural Engineering, 2011, 137(11): 1291–1302.
[12] 贾明明, 吕大刚, 张辉. 防屈曲支撑钢框架抗地震侧向倒塌能力分析[J]. 土木工程学报, 2013, 46(S1): 7-12.
JIA Ming-ming, LU Da-gang, ZHANG Hui. Seismic lateral collapse capacity analysis of buckling-restrained braced steel frames [J]. China Civil Engineering Journal, 2013, 46(S1): 7-12.
[13] Kitayama S, Constantinou M C.. Probabilistic collapse resistance and residual drift assessment ofbuildings with fluidic self-centering systems [J]. Earthquake Engineering and Structural Dynamics, 2016; 45(1): 1935–1953.
[14] 刘璐, 吴斌. 自复位防屈曲支撑钢框架减振效果分析[J]. 建筑结构学报, 2016, 37(4): 93-101.
LIU Lu, WU Bin. Seismic response of steel frames with self-centering buckling-restrained braces [J]. Journal of Building Structures, 2016, 37(4): 93-101.
[15] Minimum design loads for buildings and other structures:  ASCE/SEI 7-10 [S]. Reston: ASCE, 2010.
[16] 建筑抗震设计规范, FB 50011-2010[S]. 北京: 中国建筑工业出版社, 2010
[17] Lignos D G, Krawinkler H. Sidesway collapse of deteriorating structural systems under seismic excitations [R] Rep. No. TB 172, The John A. Blume Earthquake Engineering Center, Stanford Univ., 2009.
[18] Somerville P G, Smith N, Punyimurthula S, et al. Development of ground motion time histories for phase 2 of the FEMA/SAC steel project [R]. Rep. No. SAC/BD-97/04, SAC Joint Venture, Richmond, Calif., 1997.
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